单项选择题
Given：
When line 14 is reached， how many objects are eligible for the garbage collector？（）
A.0
B.1
C.2
D.3
E.4
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单项选择题
Given： What is the result？（）
A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x = 6 main x = 6
D.doStuff x = 5 main x = 5
E.doStuff x = 5 main x = 6 -
单项选择题
Given： and two separate command line invocations： java Yippee java Yippee 1 2 3 4 What is the result？（）
A.No output is produced.1 2 3
B.No output is produced.2 3 4
C.No output is produced.1 2 3 4
D.An exception is thrown at runtime.1 2 3 -
单项选择题
Given： What is the result？（）
A.81
B.82
C.91
D.92
